INBDE (Integrated National Board Dental Examination) Practice Exam

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Cervical pull headgear is typically used for which condition?

class 2 deep bite
class 1 normal bite
class 2 open bite
class 3 maxillary deficiency

The correct answer is: class 2 deep bite

Cervical pull headgear is typically used for the correction of Class 2 deep bite. In Class 2 malocclusion, the upper teeth are more prominent and protruded than the lower teeth, leading to an overbite. The cervical pull headgear helps in restraining the forward growth of the upper jaw while allowing the lower jaw to catch up and align properly with the upper jaw. This helps in correcting the deep overbite commonly seen in Class 2 malocclusions. Regarding the other options: - Class 1 normal bite does not typically require the use of cervical pull headgear as there is already proper alignment between the upper and lower teeth. - Class 2 open bite is a different malocclusion where there is no vertical overlap between the upper and lower front teeth, and cervical pull headgear is not used to correct this condition. - Class 3 maxillary deficiency involves an underbite where the lower jaw is more prominent than the upper jaw. Cervical pull headgear is not typically used for Class 3 malocclusions.